package cn.elead.chaos.security.filter;

import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;

import cn.elead.chaos.security.SecurityUser;
import cn.elead.chaos.security.service.ISpringSecurityService;
import cn.elead.chaos.security.util.SecurityUtils;
import cn.hutool.core.util.ObjectUtil;

/**
 * token过滤器 验证token有效性
 * 
 * @author ruoyi
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {

	@Autowired
	private ISpringSecurityService securityService;

	@Override
	protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws ServletException, IOException {

		SecurityUser user = securityService.getUser();
		user.setPermissions(securityService.selectPermsByUserId(user.getUserId()));
		if (ObjectUtil.isNotNull(user) && ObjectUtil.isNull(SecurityUtils.getAuthentication())) {
			UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(user, null, user.getAuthorities());
			authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
			SecurityContextHolder.getContext().setAuthentication(authenticationToken);
		}
		chain.doFilter(request, response);
	}
}
